12237822 has 12 divisors (see below), whose sum is σ = 26515320. Its totient is φ = 4079268.

The previous prime is 12237821. The next prime is 12237829. The reversal of 12237822 is 22873221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12237821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 339922 + ... + 339957.

It is an arithmetic number, because the mean of its divisors is an integer number (2209610).

Almost surely, 2^12237822 is an apocalyptic number.

12237822 is an abundant number, since it is smaller than the sum of its proper divisors (14277498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12237822 is a wasteful number, since it uses less digits than its factorization.

12237822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679887 (or 679884 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 12237822 is about 3498.2598531270. The cubic root of 12237822 is about 230.4454003053.

It can be divided in two parts, 1223 and 7822, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 12237822 in words is "twelve million, two hundred thirty-seven thousand, eight hundred twenty-two".